00400nam a2200145Ia 4500008004100000082001700041100001700058245003500075260004000110300000900150650003400159650001800193653002200211700002100233170901s1974    xx            000 0 und d  a545.33bS72R  aStenhagen E. 0aRegistry of Mass Spectral Data  aNew YorkbJohn Wiley and Sonsc1974  a1670  aChemistry and allied sciences  aPure Sciences  aMass spectrometry  aMclafferty, F.W.